Jaffna Science Association <br/><br/>
Proseedings of the Jaffna Science Association 

 - Jaffna  Jaffna Science Association  1994 
 - 128,33 p. 
<br/><br/><label>ISBN: </label>118931 
<br/><br/><label>Dewey Class. No.: </label>507.2  / JAF